Please start with the "Gang of Four"; perhaps the title will trick them into thinking it's about a gang of four year olds?
So far nobody has opted for C.
Sorry to break it to you, but you can't have one without the other.
But yeah, english is pretty undisputed as the lingua franca of most things computer, and so developing professionally beyond a certain threshold is difficult without english.
Back in the good old BASIC days, there were even hacks to make those tokenizing interpreters on home computers use German symbols for their keywords. (nice side effect of the tokenized representation: the code remained compatible)
Excel and {Open,Libre}Office Calc work with localized symbols for their functions, too.
I think I've even seen a C header file that wrapped keywords (through macros), types and libc names in translated versions. Luckily those are rare...
So, programming without English is possible - but I really wouldn't recommend it.
C#, or javascript, maybe python would be good languages in my opinion.
- Edsger W. Dijkstra